X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fconf%2Fconf_def.c;h=aa9f2faa9a608dfff342682c3a159a4f1ef983b4;hp=05ba1c935816a1ef2f5962450c7e7dae886daaf6;hb=a9b7a06ed8e6d70bf7caa778838d7a869a17db78;hpb=5283e19f11f06d26bc92c6351cbb61324ffb3dfc

diff --git a/crypto/conf/conf_def.c b/crypto/conf/conf_def.c
index 05ba1c9358..aa9f2faa9a 100644
--- a/crypto/conf/conf_def.c
+++ b/crypto/conf/conf_def.c
@@ -33,6 +33,7 @@
  */
 #define MAX_CONF_VALUE_LENGTH       65536
 
+static int is_keytype(const CONF *conf, char c, unsigned short type);
 static char *eat_ws(CONF *conf, char *p);
 static void trim_ws(CONF *conf, char *start);
 static char *eat_alpha_numeric(CONF *conf, char *p);
@@ -732,6 +733,30 @@ static BIO *get_next_file(const char *path, OPENSSL_DIR_CTX **dirctx)
 }
 #endif
 
+static int is_keytype(const CONF *conf, char c, unsigned short type)
+{
+    const unsigned short * keytypes = (const unsigned short *) conf->meth_data;
+    unsigned char key = (unsigned char)c;
+
+#ifdef CHARSET_EBCDIC
+# if CHAR_BIT > 8
+    if (key > 255) {
+        /* key is out of range for os_toascii table */
+        return 0;
+    }
+# endif
+    /* convert key from ebcdic to ascii */
+    key = os_toascii[key];
+#endif
+
+    if (key > 127) {
+        /* key is not a seven bit ascii character */
+        return 0;
+    }
+
+    return (keytypes[key] & type) ? 1 : 0;
+}
+
 static char *eat_ws(CONF *conf, char *p)
 {
     while (IS_WS(conf, *p) && (!IS_EOF(conf, *p)))